import React from 'react';
import {View,Text} from 'react-native';
//
const HelloWorldApp=()=>{
  return (
      <View style={{
        flex:1,
        justifyContent:'center',
        alignItems:'center'
      }}>
        <Text>
          Hello,world
        </Text>
      </View>
  );
}

export default HelloWorldApp;
